From 350fa1f775aa79e0b9934a6c6e916e5ef76d00c9 Mon Sep 17 00:00:00 2001
From: Luca Bruno <lucabru@src.gnome.org>
Date: Sat, 1 Nov 2014 23:29:38 +0100
Subject: nixos: Try to show an helpful message when the user sets config. or
 options.

Feel free to improve or remove :-)
---
 lib/modules.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/modules.nix b/lib/modules.nix
index 8af08522051f..fdee8824493d 100644
--- a/lib/modules.nix
+++ b/lib/modules.nix
@@ -58,7 +58,7 @@ rec {
     if m ? config || m ? options then
       let badAttrs = removeAttrs m ["imports" "options" "config" "key" "_file"]; in
       if badAttrs != {} then
-        throw "Module `${key}' has an unsupported attribute `${head (attrNames badAttrs)}'."
+        throw "Module `${key}' has an unsupported attribute `${head (attrNames badAttrs)}'. This is caused by assignments to the top-level attributes `config' or `options'."
       else
         { file = m._file or file;
           key = toString m.key or key;
-- 
cgit 1.4.1